S
M
T
W
T
F
S
30
85°
68°
31
85°
69°
1
88°
67°
2
83°
68°
3
85°
69°
4
87°
68°
5
90°
68°
6
84°
63°
7
79°
62°
8
76°
60°
9
79°
58°
10
77°
53°
11
75°
55°
12
74°
54°
13
73°
55°
14
74°
52°
15
78°
57°
16
77°
55°
17
77°
57°
18
78°
57°
19
76°
55°
20
76°
56°
21
77°
57°
22
78°
57°
23
78°
56°
24
77°
56°
25
77°
55°
26
76°
55°
27
77°
54°
28
76°
54°
29
75°
53°
30
75°
54°
1
74°
54°
2
75°
53°
3
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glenville
Glenville's September 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 52° and 69°. The average high for September is 78° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Glenville. See also: October | November | December.
